LCD backlight CCFL inverter

OVL (http://www.eefl.cn)LCD Inverter is special made by OVL (Nanjng) to provide the latest compact single-board DC-to-AC inverters for driving single, dual and multiple cold-cathode fluorescent lamps (CCFL) in LCD back-lighting applications. Available now in OEM quantities, our DC inverter provides an economical, high-performance solution for driving 1- 12 pieces cold cathode fluorescent lamps LCD displays, medical and other industrial equipment applications requiring super-bright, high-visibility displays in 0 to 60C (32-140F) operating environments. The module provides brightness control, on/off control features and 80% operational efficiency, minimum.

The CCFL driver provides an input range of 10.8 to 13.2 V (12 V, typical), an output current of 3.0 to 6.5 mA per lamp, and a Pulse-Width-Modulated (PWM) brightness control frequency of 204 Hz, typical. Total device power output from 4.5 W per lamp.